Remote control defective?

TV, radio, system can not be operated via the remote control?
Usually it is enough to use new batteries, but please clean the contacts with alcohol or similar (contact resistance at the contacts are not to be underestimated).

Still no function? A camera phone or pure digital camera are enough to circling the error. The camera detects the infrared light of the remote control (front of the remote control is a dark disc, there are the infrared diodes). No illumination of the LEDs = error on the remote control. If the diodes are lit or the rhythm is flashing, a defect in the device may be suspected.

Fixing An Unresponsive Remote Control. Super Easy! | March 2024